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<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <div id="main" style="height: 400px"></div>
    <script src="https://cdn.jsdelivr.net/npm/echarts@5.4.1/dist/echarts.min.js"></script>
    <script>
      window.onload = function () {
        let myChart = echarts.init(document.getElementById('main'))
        let option = {
          backgroundColor: 'rgba(255, 0, 0, 0.1)',
          grid: {
            show: true,
            backgroundColor: 'rgba(0, 255, 0, 0.1)'
          },
          tooltip: {
            show: true,
            trigger: 'axis',
            axisPointer: {
              type: 'shadow'
            }
          },
          xAxis: {
            data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子']
          },
          yAxis: {},
          series: [
            {
              type: 'bar',
              // 图形的颜色
              itemStyle: {
                color: {
                  // 渐变
                  type: 'linear',
                  x: 0,
                  y: 0,
                  x2: 0,
                  y2: 1,
                  colorStops: [
                    {
                      offset: 0,
                      color: 'red'
                    },
                    {
                      offset: 1,
                      color: 'blue'
                    }
                  ]
                }
              },
              data: [
                {
                  value: 5,
                  name: '衬衫', // 数据项名称, 比如pie系列 tooltip 需要用到
                  // 图形的颜色
                  itemStyle: {
                    color: new echarts.graphic.LinearGradient(
                      0,
                      0,
                      0,
                      1,
                      [
                        {
                          offset: 0,
                          color: '#20FF89'
                        },
                        {
                          offset: 1,
                          color: 'rgba(255, 255, 255, 0)'
                        }
                      ],
                      false
                    )
                  }
                },
                {
                  value: 20,
                  name: '羊毛衫'
                },
                {
                  value: 36,
                  name: '雪纺衫'
                },
                {
                  value: 10,
                  name: '裤子'
                },
                {
                  value: 10,
                  name: '高跟鞋'
                },
                {
                  value: 20,
                  name: '袜子'
                }
              ]
            }
          ]
        }
        myChart.setOption(option)
      }
    </script>
  </body>
</html>
